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Comparing jsr166/src/test/tck/ForkJoinTaskTest.java (file contents):
Revision 1.4 by jsr166, Tue Aug 4 09:35:31 2009 UTC vs.
Revision 1.18 by jsr166, Fri Sep 17 00:55:19 2010 UTC

#	Line 3 | Line 3
3		* Expert Group and released to the public domain, as explained at
4		* http://creativecommons.org/licenses/publicdomain
5		*/
6	+	import java.util.concurrent.ExecutionException;
7	+	import java.util.concurrent.CancellationException;
8	+	import java.util.concurrent.ForkJoinPool;
9	+	import java.util.concurrent.ForkJoinTask;
10	+	import java.util.concurrent.ForkJoinWorkerThread;
11	+	import java.util.concurrent.RecursiveAction;
12	+	import java.util.concurrent.TimeUnit;
13	+	import java.util.concurrent.atomic.AtomicIntegerFieldUpdater;
14	+	import static java.util.concurrent.TimeUnit.MILLISECONDS;
15	+	import java.util.HashSet;
16		import junit.framework.*;
7	–	import java.util.concurrent.*;
8	–	import java.util.concurrent.atomic.*;
9	–	import java.util.*;
17
18		public class ForkJoinTaskTest extends JSR166TestCase {
19
20		public static void main(String[] args) {
21	<	junit.textui.TestRunner.run (suite());
21	>	junit.textui.TestRunner.run(suite());
22		}
23	+
24		public static Test suite() {
25	<	return new TestSuite(ForkJoinTaskTest.class);
25	>	return new TestSuite(ForkJoinTaskTest.class);
26		}
27
28	<	/**
28	>	private static ForkJoinPool mainPool() {
29	>	return new ForkJoinPool();
30	>	}
31	>
32	>	private static ForkJoinPool singletonPool() {
33	>	return new ForkJoinPool(1);
34	>	}
35	>
36	>	private static ForkJoinPool asyncSingletonPool() {
37	>	return new ForkJoinPool(1,
38	>	ForkJoinPool.defaultForkJoinWorkerThreadFactory,
39	>	null, true);
40	>	}
41	>
42	>	private void testInvokeOnPool(ForkJoinPool pool, RecursiveAction a) {
43	>	try {
44	>	assertFalse(a.isDone());
45	>	assertFalse(a.isCompletedNormally());
46	>	assertFalse(a.isCompletedAbnormally());
47	>	assertFalse(a.isCancelled());
48	>	assertNull(a.getException());
49	>
50	>	assertNull(pool.invoke(a));
51	>
52	>	assertTrue(a.isDone());
53	>	assertTrue(a.isCompletedNormally());
54	>	assertFalse(a.isCompletedAbnormally());
55	>	assertFalse(a.isCancelled());
56	>	assertNull(a.getException());
57	>	} finally {
58	>	joinPool(pool);
59	>	}
60	>	}
61	>
62	>	/*
63		* Testing coverage notes:
64		*
65		* To test extension methods and overrides, most tests use
#	Line 25 | Line 67 | public class ForkJoinTaskTest extends JS
67		* differently than supplied Recursive forms.
68		*/
69
28	–	static final ForkJoinPool mainPool = new ForkJoinPool();
29	–	static final ForkJoinPool singletonPool = new ForkJoinPool(1);
30	–	static final ForkJoinPool asyncSingletonPool = new ForkJoinPool(1);
31	–	static {
32	–	asyncSingletonPool.setAsyncMode(true);
33	–	}
34	–
70		static final class FJException extends RuntimeException {
71		FJException() { super(); }
72		}
#	Line 148 | Line 183 | public class ForkJoinTaskTest extends JS
183
184		}
185
186	<	static final class AsyncFib  extends BinaryAsyncAction {
186	>	static final class AsyncFib extends BinaryAsyncAction {
187		int number;
188		public AsyncFib(int n) {
189		this.number = n;
#	Line 177 | Line 212 | public class ForkJoinTaskTest extends JS
212		}
213
214
215	<	static final class FailingAsyncFib  extends BinaryAsyncAction {
215	>	static final class FailingAsyncFib extends BinaryAsyncAction {
216		int number;
217		public FailingAsyncFib(int n) {
218		this.number = n;
#	Line 209 | Line 244 | public class ForkJoinTaskTest extends JS
244		* invoke returns when task completes normally.
245		* isCompletedAbnormally and isCancelled return false for normally
246		* completed tasks. getRawResult of a RecursiveAction returns null;
212	–	*
247		*/
248		public void testInvoke() {
249	<	RecursiveAction a = new RecursiveAction() {
250	<	public void compute() {
251	<	AsyncFib f = new AsyncFib(8);
252	<	f.invoke();
253	<	threadAssertTrue(f.number == 21);
254	<	threadAssertTrue(f.isDone());
255	<	threadAssertFalse(f.isCancelled());
256	<	threadAssertFalse(f.isCompletedAbnormally());
257	<	threadAssertTrue(f.getRawResult() == null);
258	<	}
259	<	};
226	<	mainPool.invoke(a);
249	>	RecursiveAction a = new CheckedRecursiveAction() {
250	>	public void realCompute() {
251	>	AsyncFib f = new AsyncFib(8);
252	>	assertNull(f.invoke());
253	>	assertEquals(21, f.number);
254	>	assertTrue(f.isDone());
255	>	assertFalse(f.isCancelled());
256	>	assertFalse(f.isCompletedAbnormally());
257	>	assertNull(f.getRawResult());
258	>	}};
259	>	testInvokeOnPool(mainPool(), a);
260		}
261
262		/**
#	Line 232 | Line 265 | public class ForkJoinTaskTest extends JS
265		* completed tasks
266		*/
267		public void testQuietlyInvoke() {
268	<	RecursiveAction a = new RecursiveAction() {
269	<	public void compute() {
270	<	AsyncFib f = new AsyncFib(8);
271	<	f.quietlyInvoke();
272	<	threadAssertTrue(f.number == 21);
273	<	threadAssertTrue(f.isDone());
274	<	threadAssertFalse(f.isCancelled());
275	<	threadAssertFalse(f.isCompletedAbnormally());
276	<	threadAssertTrue(f.getRawResult() == null);
277	<	}
278	<	};
246	<	mainPool.invoke(a);
268	>	RecursiveAction a = new CheckedRecursiveAction() {
269	>	public void realCompute() {
270	>	AsyncFib f = new AsyncFib(8);
271	>	f.quietlyInvoke();
272	>	assertEquals(21, f.number);
273	>	assertTrue(f.isDone());
274	>	assertFalse(f.isCancelled());
275	>	assertFalse(f.isCompletedAbnormally());
276	>	assertNull(f.getRawResult());
277	>	}};
278	>	testInvokeOnPool(mainPool(), a);
279		}
280
281		/**
282		* join of a forked task returns when task completes
283		*/
284		public void testForkJoin() {
285	<	RecursiveAction a = new RecursiveAction() {
286	<	public void compute() {
287	<	AsyncFib f = new AsyncFib(8);
288	<	f.fork();
289	<	f.join();
290	<	threadAssertTrue(f.number == 21);
291	<	threadAssertTrue(f.isDone());
292	<	threadAssertTrue(f.getRawResult() == null);
293	<	}
294	<	};
263	<	mainPool.invoke(a);
285	>	RecursiveAction a = new CheckedRecursiveAction() {
286	>	public void realCompute() {
287	>	AsyncFib f = new AsyncFib(8);
288	>	assertSame(f, f.fork());
289	>	assertNull(f.join());
290	>	assertEquals(21, f.number);
291	>	assertTrue(f.isDone());
292	>	assertNull(f.getRawResult());
293	>	}};
294	>	testInvokeOnPool(mainPool(), a);
295		}
296
297		/**
298		* get of a forked task returns when task completes
299		*/
300		public void testForkGet() {
301	<	RecursiveAction a = new RecursiveAction() {
302	<	public void compute() {
303	<	try {
304	<	AsyncFib f = new AsyncFib(8);
305	<	f.fork();
306	<	f.get();
307	<	threadAssertTrue(f.number == 21);
308	<	threadAssertTrue(f.isDone());
309	<	} catch (Exception ex) {
279	<	unexpectedException(ex);
280	<	}
281	<	}
282	<	};
283	<	mainPool.invoke(a);
301	>	RecursiveAction a = new CheckedRecursiveAction() {
302	>	public void realCompute() throws Exception {
303	>	AsyncFib f = new AsyncFib(8);
304	>	assertSame(f, f.fork());
305	>	assertNull(f.get());
306	>	assertEquals(21, f.number);
307	>	assertTrue(f.isDone());
308	>	}};
309	>	testInvokeOnPool(mainPool(), a);
310		}
311
312		/**
313		* timed get of a forked task returns when task completes
314		*/
315		public void testForkTimedGet() {
316	<	RecursiveAction a = new RecursiveAction() {
317	<	public void compute() {
318	<	try {
319	<	AsyncFib f = new AsyncFib(8);
320	<	f.fork();
321	<	f.get(5L, TimeUnit.SECONDS);
322	<	threadAssertTrue(f.number == 21);
323	<	threadAssertTrue(f.isDone());
324	<	} catch (Exception ex) {
299	<	unexpectedException(ex);
300	<	}
301	<	}
302	<	};
303	<	mainPool.invoke(a);
316	>	RecursiveAction a = new CheckedRecursiveAction() {
317	>	public void realCompute() throws Exception {
318	>	AsyncFib f = new AsyncFib(8);
319	>	assertSame(f, f.fork());
320	>	assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
321	>	assertEquals(21, f.number);
322	>	assertTrue(f.isDone());
323	>	}};
324	>	testInvokeOnPool(mainPool(), a);
325		}
326
327		/**
328		* timed get with null time unit throws NPE
329		*/
330		public void testForkTimedGetNPE() {
331	<	RecursiveAction a = new RecursiveAction() {
332	<	public void compute() {
333	<	try {
334	<	AsyncFib f = new AsyncFib(8);
335	<	f.fork();
336	<	f.get(5L, null);
337	<	shouldThrow();
338	<	} catch (NullPointerException success) {
339	<	} catch (Exception ex) {
340	<	unexpectedException(ex);
320	<	}
321	<	}
322	<	};
323	<	mainPool.invoke(a);
324	<	}
325	<
326	<	/**
327	<	* helpJoin of a forked task returns when task completes
328	<	*/
329	<	public void testForkHelpJoin() {
330	<	RecursiveAction a = new RecursiveAction() {
331	<	public void compute() {
332	<	AsyncFib f = new AsyncFib(8);
333	<	f.fork();
334	<	f.helpJoin();
335	<	threadAssertTrue(f.number == 21);
336	<	threadAssertTrue(f.isDone());
337	<	}
338	<	};
339	<	mainPool.invoke(a);
331	>	RecursiveAction a = new CheckedRecursiveAction() {
332	>	public void realCompute() throws Exception {
333	>	AsyncFib f = new AsyncFib(8);
334	>	assertSame(f, f.fork());
335	>	try {
336	>	f.get(5L, null);
337	>	shouldThrow();
338	>	} catch (NullPointerException success) {}
339	>	}};
340	>	testInvokeOnPool(mainPool(), a);
341		}
342
343		/**
344		* quietlyJoin of a forked task returns when task completes
345		*/
346		public void testForkQuietlyJoin() {
347	<	RecursiveAction a = new RecursiveAction() {
348	<	public void compute() {
349	<	AsyncFib f = new AsyncFib(8);
350	<	f.fork();
351	<	f.quietlyJoin();
352	<	threadAssertTrue(f.number == 21);
353	<	threadAssertTrue(f.isDone());
354	<	}
355	<	};
355	<	mainPool.invoke(a);
356	<	}
357	<
358	<
359	<	/**
360	<	* quietlyHelpJoin of a forked task returns when task completes
361	<	*/
362	<	public void testForkQuietlyHelpJoin() {
363	<	RecursiveAction a = new RecursiveAction() {
364	<	public void compute() {
365	<	AsyncFib f = new AsyncFib(8);
366	<	f.fork();
367	<	f.quietlyHelpJoin();
368	<	threadAssertTrue(f.number == 21);
369	<	threadAssertTrue(f.isDone());
370	<	}
371	<	};
372	<	mainPool.invoke(a);
347	>	RecursiveAction a = new CheckedRecursiveAction() {
348	>	public void realCompute() {
349	>	AsyncFib f = new AsyncFib(8);
350	>	assertSame(f, f.fork());
351	>	f.quietlyJoin();
352	>	assertEquals(21, f.number);
353	>	assertTrue(f.isDone());
354	>	}};
355	>	testInvokeOnPool(mainPool(), a);
356		}
357
358
#	Line 378 | Line 361 | public class ForkJoinTaskTest extends JS
361		* getQueuedTaskCount returns 0 when quiescent
362		*/
363		public void testForkHelpQuiesce() {
364	<	RecursiveAction a = new RecursiveAction() {
365	<	public void compute() {
366	<	AsyncFib f = new AsyncFib(8);
367	<	f.fork();
368	<	f.helpQuiesce();
369	<	threadAssertTrue(f.number == 21);
370	<	threadAssertTrue(f.isDone());
371	<	threadAssertTrue(getQueuedTaskCount() == 0);
372	<	}
373	<	};
391	<	mainPool.invoke(a);
364	>	RecursiveAction a = new CheckedRecursiveAction() {
365	>	public void realCompute() {
366	>	AsyncFib f = new AsyncFib(8);
367	>	assertSame(f, f.fork());
368	>	f.helpQuiesce();
369	>	assertEquals(21, f.number);
370	>	assertTrue(f.isDone());
371	>	assertEquals(0, getQueuedTaskCount());
372	>	}};
373	>	testInvokeOnPool(mainPool(), a);
374		}
375
376
#	Line 396 | Line 378 | public class ForkJoinTaskTest extends JS
378		* invoke task throws exception when task completes abnormally
379		*/
380		public void testAbnormalInvoke() {
381	<	RecursiveAction a = new RecursiveAction() {
382	<	public void compute() {
383	<	try {
384	<	FailingAsyncFib f = new FailingAsyncFib(8);
385	<	f.invoke();
386	<	shouldThrow();
387	<	} catch (FJException success) {
388	<	}
389	<	}
408	<	};
409	<	mainPool.invoke(a);
381	>	RecursiveAction a = new CheckedRecursiveAction() {
382	>	public void realCompute() {
383	>	FailingAsyncFib f = new FailingAsyncFib(8);
384	>	try {
385	>	f.invoke();
386	>	shouldThrow();
387	>	} catch (FJException success) {}
388	>	}};
389	>	testInvokeOnPool(mainPool(), a);
390		}
391
392		/**
393		* quietlyInvoke task returns when task completes abnormally
394		*/
395		public void testAbnormalQuietlyInvoke() {
396	<	RecursiveAction a = new RecursiveAction() {
397	<	public void compute() {
398	<	FailingAsyncFib f = new FailingAsyncFib(8);
399	<	f.quietlyInvoke();
400	<	threadAssertTrue(f.isDone());
401	<	}
402	<	};
423	<	mainPool.invoke(a);
396	>	RecursiveAction a = new CheckedRecursiveAction() {
397	>	public void realCompute() {
398	>	FailingAsyncFib f = new FailingAsyncFib(8);
399	>	f.quietlyInvoke();
400	>	assertTrue(f.isDone());
401	>	}};
402	>	testInvokeOnPool(mainPool(), a);
403		}
404
405		/**
406		* join of a forked task throws exception when task completes abnormally
407		*/
408		public void testAbnormalForkJoin() {
409	<	RecursiveAction a = new RecursiveAction() {
410	<	public void compute() {
411	<	try {
412	<	FailingAsyncFib f = new FailingAsyncFib(8);
413	<	f.fork();
414	<	f.join();
415	<	shouldThrow();
416	<	} catch (FJException success) {
417	<	}
418	<	}
440	<	};
441	<	mainPool.invoke(a);
409	>	RecursiveAction a = new CheckedRecursiveAction() {
410	>	public void realCompute() {
411	>	FailingAsyncFib f = new FailingAsyncFib(8);
412	>	assertSame(f, f.fork());
413	>	try {
414	>	f.join();
415	>	shouldThrow();
416	>	} catch (FJException success) {}
417	>	}};
418	>	testInvokeOnPool(mainPool(), a);
419		}
420
421		/**
422		* get of a forked task throws exception when task completes abnormally
423		*/
424		public void testAbnormalForkGet() {
425	<	RecursiveAction a = new RecursiveAction() {
426	<	public void compute() {
427	<	try {
428	<	FailingAsyncFib f = new FailingAsyncFib(8);
429	<	f.fork();
430	<	f.get();
431	<	shouldThrow();
432	<	} catch (ExecutionException success) {
433	<	} catch (Exception ex) {
434	<	unexpectedException(ex);
435	<	}
425	>	RecursiveAction a = new CheckedRecursiveAction() {
426	>	public void realCompute() throws Exception {
427	>	FailingAsyncFib f = new FailingAsyncFib(8);
428	>	assertSame(f, f.fork());
429	>	try {
430	>	f.get();
431	>	shouldThrow();
432	>	} catch (ExecutionException success) {
433	>	Throwable cause = success.getCause();
434	>	assertTrue(cause instanceof FJException);
435	>	assertTrue(f.isDone());
436	>	assertTrue(f.isCompletedAbnormally());
437	>	assertSame(cause, f.getException());
438		}
439	<	};
440	<	mainPool.invoke(a);
439	>	}};
440	>	testInvokeOnPool(mainPool(), a);
441		}
442
443		/**
444		* timed get of a forked task throws exception when task completes abnormally
445		*/
446		public void testAbnormalForkTimedGet() {
447	<	RecursiveAction a = new RecursiveAction() {
448	<	public void compute() {
449	<	try {
450	<	FailingAsyncFib f = new FailingAsyncFib(8);
451	<	f.fork();
452	<	f.get(5L, TimeUnit.SECONDS);
453	<	shouldThrow();
454	<	} catch (ExecutionException success) {
455	<	} catch (Exception ex) {
456	<	unexpectedException(ex);
457	<	}
458	<	}
459	<	};
481	<	mainPool.invoke(a);
482	<	}
483	<
484	<	/**
485	<	* join of a forked task throws exception when task completes abnormally
486	<	*/
487	<	public void testAbnormalForkHelpJoin() {
488	<	RecursiveAction a = new RecursiveAction() {
489	<	public void compute() {
490	<	try {
491	<	FailingAsyncFib f = new FailingAsyncFib(8);
492	<	f.fork();
493	<	f.helpJoin();
494	<	shouldThrow();
495	<	} catch (FJException success) {
496	<	}
497	<	}
498	<	};
499	<	mainPool.invoke(a);
500	<	}
501	<
502	<	/**
503	<	* quietlyHelpJoin of a forked task returns when task completes abnormally.
504	<	* getException of failed task returns its exception.
505	<	* isCompletedAbnormally of a failed task returns true.
506	<	* isCancelled of a failed uncancelled task returns false
507	<	*/
508	<	public void testAbnormalForkQuietlyHelpJoin() {
509	<	RecursiveAction a = new RecursiveAction() {
510	<	public void compute() {
511	<	FailingAsyncFib f = new FailingAsyncFib(8);
512	<	f.fork();
513	<	f.quietlyHelpJoin();
514	<	threadAssertTrue(f.isDone());
515	<	threadAssertTrue(f.isCompletedAbnormally());
516	<	threadAssertFalse(f.isCancelled());
517	<	threadAssertTrue(f.getException() instanceof FJException);
447	>	RecursiveAction a = new CheckedRecursiveAction() {
448	>	public void realCompute() throws Exception {
449	>	FailingAsyncFib f = new FailingAsyncFib(8);
450	>	assertSame(f, f.fork());
451	>	try {
452	>	f.get(LONG_DELAY_MS, MILLISECONDS);
453	>	shouldThrow();
454	>	} catch (ExecutionException success) {
455	>	Throwable cause = success.getCause();
456	>	assertTrue(cause instanceof FJException);
457	>	assertTrue(f.isDone());
458	>	assertTrue(f.isCompletedAbnormally());
459	>	assertSame(cause, f.getException());
460		}
461	<	};
462	<	mainPool.invoke(a);
461	>	}};
462	>	testInvokeOnPool(mainPool(), a);
463		}
464
465		/**
466		* quietlyJoin of a forked task returns when task completes abnormally
467		*/
468		public void testAbnormalForkQuietlyJoin() {
469	<	RecursiveAction a = new RecursiveAction() {
470	<	public void compute() {
471	<	FailingAsyncFib f = new FailingAsyncFib(8);
472	<	f.fork();
473	<	f.quietlyJoin();
474	<	threadAssertTrue(f.isDone());
475	<	threadAssertTrue(f.isCompletedAbnormally());
476	<	threadAssertTrue(f.getException() instanceof FJException);
477	<	}
478	<	};
537	<	mainPool.invoke(a);
469	>	RecursiveAction a = new CheckedRecursiveAction() {
470	>	public void realCompute() {
471	>	FailingAsyncFib f = new FailingAsyncFib(8);
472	>	assertSame(f, f.fork());
473	>	f.quietlyJoin();
474	>	assertTrue(f.isDone());
475	>	assertTrue(f.isCompletedAbnormally());
476	>	assertTrue(f.getException() instanceof FJException);
477	>	}};
478	>	testInvokeOnPool(mainPool(), a);
479		}
480
481		/**
482		* invoke task throws exception when task cancelled
483		*/
484		public void testCancelledInvoke() {
485	<	RecursiveAction a = new RecursiveAction() {
486	<	public void compute() {
487	<	try {
488	<	AsyncFib f = new AsyncFib(8);
489	<	f.cancel(true);
490	<	f.invoke();
491	<	shouldThrow();
492	<	} catch (CancellationException success) {
493	<	}
485	>	RecursiveAction a = new CheckedRecursiveAction() {
486	>	public void realCompute() {
487	>	AsyncFib f = new AsyncFib(8);
488	>	assertTrue(f.cancel(true));
489	>	try {
490	>	f.invoke();
491	>	shouldThrow();
492	>	} catch (CancellationException success) {
493	>	assertTrue(f.isDone());
494	>	assertTrue(f.isCancelled());
495	>	assertTrue(f.isCompletedAbnormally());
496	>	assertTrue(f.getException() instanceof CancellationException);
497		}
498	<	};
499	<	mainPool.invoke(a);
498	>	}};
499	>	testInvokeOnPool(mainPool(), a);
500		}
501
502		/**
503		* join of a forked task throws exception when task cancelled
504		*/
505		public void testCancelledForkJoin() {
506	<	RecursiveAction a = new RecursiveAction() {
507	<	public void compute() {
508	<	try {
509	<	AsyncFib f = new AsyncFib(8);
510	<	f.cancel(true);
511	<	f.fork();
512	<	f.join();
513	<	shouldThrow();
514	<	} catch (CancellationException success) {
515	<	}
506	>	RecursiveAction a = new CheckedRecursiveAction() {
507	>	public void realCompute() {
508	>	AsyncFib f = new AsyncFib(8);
509	>	assertTrue(f.cancel(true));
510	>	assertSame(f, f.fork());
511	>	try {
512	>	f.join();
513	>	shouldThrow();
514	>	} catch (CancellationException success) {
515	>	assertTrue(f.isDone());
516	>	assertTrue(f.isCancelled());
517	>	assertTrue(f.isCompletedAbnormally());
518	>	assertTrue(f.getException() instanceof CancellationException);
519		}
520	<	};
521	<	mainPool.invoke(a);
520	>	}};
521	>	testInvokeOnPool(mainPool(), a);
522		}
523
524		/**
525		* get of a forked task throws exception when task cancelled
526		*/
527		public void testCancelledForkGet() {
528	<	RecursiveAction a = new RecursiveAction() {
529	<	public void compute() {
530	<	try {
531	<	AsyncFib f = new AsyncFib(8);
532	<	f.cancel(true);
533	<	f.fork();
534	<	f.get();
535	<	shouldThrow();
536	<	} catch (CancellationException success) {
537	<	} catch (Exception ex) {
538	<	unexpectedException(ex);
539	<	}
528	>	RecursiveAction a = new CheckedRecursiveAction() {
529	>	public void realCompute() throws Exception {
530	>	AsyncFib f = new AsyncFib(8);
531	>	assertTrue(f.cancel(true));
532	>	assertSame(f, f.fork());
533	>	try {
534	>	f.get();
535	>	shouldThrow();
536	>	} catch (CancellationException success) {
537	>	assertTrue(f.isDone());
538	>	assertTrue(f.isCancelled());
539	>	assertTrue(f.isCompletedAbnormally());
540	>	assertTrue(f.getException() instanceof CancellationException);
541		}
542	<	};
543	<	mainPool.invoke(a);
542	>	}};
543	>	testInvokeOnPool(mainPool(), a);
544		}
545
546		/**
547		* timed get of a forked task throws exception when task cancelled
548		*/
549	<	public void testCancelledForkTimedGet() {
550	<	RecursiveAction a = new RecursiveAction() {
551	<	public void compute() {
552	<	try {
553	<	AsyncFib f = new AsyncFib(8);
554	<	f.cancel(true);
555	<	f.fork();
556	<	f.get(5L, TimeUnit.SECONDS);
557	<	shouldThrow();
558	<	} catch (CancellationException success) {
559	<	} catch (Exception ex) {
560	<	unexpectedException(ex);
561	<	}
562	<	}
615	<	};
616	<	mainPool.invoke(a);
617	<	}
618	<
619	<	/**
620	<	* join of a forked task throws exception when task cancelled
621	<	*/
622	<	public void testCancelledForkHelpJoin() {
623	<	RecursiveAction a = new RecursiveAction() {
624	<	public void compute() {
625	<	try {
626	<	AsyncFib f = new AsyncFib(8);
627	<	f.cancel(true);
628	<	f.fork();
629	<	f.helpJoin();
630	<	shouldThrow();
631	<	} catch (CancellationException success) {
632	<	}
633	<	}
634	<	};
635	<	mainPool.invoke(a);
636	<	}
637	<
638	<	/**
639	<	* quietlyHelpJoin of a forked task returns when task cancelled.
640	<	* getException of cancelled task returns its exception.
641	<	* isCompletedAbnormally of a cancelled task returns true.
642	<	* isCancelled of a cancelled task returns true
643	<	*/
644	<	public void testCancelledForkQuietlyHelpJoin() {
645	<	RecursiveAction a = new RecursiveAction() {
646	<	public void compute() {
647	<	AsyncFib f = new AsyncFib(8);
648	<	f.cancel(true);
649	<	f.fork();
650	<	f.quietlyHelpJoin();
651	<	threadAssertTrue(f.isDone());
652	<	threadAssertTrue(f.isCompletedAbnormally());
653	<	threadAssertTrue(f.isCancelled());
654	<	threadAssertTrue(f.getException() instanceof CancellationException);
549	>	public void testCancelledForkTimedGet() throws Exception {
550	>	RecursiveAction a = new CheckedRecursiveAction() {
551	>	public void realCompute() throws Exception {
552	>	AsyncFib f = new AsyncFib(8);
553	>	assertTrue(f.cancel(true));
554	>	assertSame(f, f.fork());
555	>	try {
556	>	f.get(LONG_DELAY_MS, MILLISECONDS);
557	>	shouldThrow();
558	>	} catch (CancellationException success) {
559	>	assertTrue(f.isDone());
560	>	assertTrue(f.isCancelled());
561	>	assertTrue(f.isCompletedAbnormally());
562	>	assertTrue(f.getException() instanceof CancellationException);
563		}
564	<	};
565	<	mainPool.invoke(a);
564	>	}};
565	>	testInvokeOnPool(mainPool(), a);
566		}
567
568		/**
569		* quietlyJoin of a forked task returns when task cancelled
570		*/
571		public void testCancelledForkQuietlyJoin() {
572	<	RecursiveAction a = new RecursiveAction() {
573	<	public void compute() {
574	<	AsyncFib f = new AsyncFib(8);
575	<	f.cancel(true);
576	<	f.fork();
577	<	f.quietlyJoin();
578	<	threadAssertTrue(f.isDone());
579	<	threadAssertTrue(f.isCompletedAbnormally());
580	<	threadAssertTrue(f.getException() instanceof CancellationException);
581	<	}
582	<	};
583	<	mainPool.invoke(a);
572	>	RecursiveAction a = new CheckedRecursiveAction() {
573	>	public void realCompute() {
574	>	AsyncFib f = new AsyncFib(8);
575	>	assertTrue(f.cancel(true));
576	>	assertSame(f, f.fork());
577	>	f.quietlyJoin();
578	>	assertTrue(f.isDone());
579	>	assertTrue(f.isCompletedAbnormally());
580	>	assertTrue(f.isCancelled());
581	>	assertTrue(f.getException() instanceof CancellationException);
582	>	}};
583	>	testInvokeOnPool(mainPool(), a);
584		}
585
586		/**
587		* getPool of executing task returns its pool
588		*/
589		public void testGetPool() {
590	<	RecursiveAction a = new RecursiveAction() {
591	<	public void compute() {
592	<	threadAssertTrue(getPool() == mainPool);
593	<	}
594	<	};
595	<	mainPool.invoke(a);
590	>	final ForkJoinPool mainPool = mainPool();
591	>	RecursiveAction a = new CheckedRecursiveAction() {
592	>	public void realCompute() {
593	>	assertSame(mainPool, getPool());
594	>	}};
595	>	testInvokeOnPool(mainPool, a);
596		}
597
598		/**
599		* getPool of non-FJ task returns null
600		*/
601		public void testGetPool2() {
602	<	RecursiveAction a = new RecursiveAction() {
603	<	public void compute() {
604	<	threadAssertTrue(getPool() == null);
605	<	}
606	<	};
699	<	a.invoke();
602	>	RecursiveAction a = new CheckedRecursiveAction() {
603	>	public void realCompute() {
604	>	assertNull(getPool());
605	>	}};
606	>	assertNull(a.invoke());
607		}
608
609		/**
610		* inForkJoinPool of executing task returns true
611		*/
612		public void testInForkJoinPool() {
613	<	RecursiveAction a = new RecursiveAction() {
614	<	public void compute() {
615	<	threadAssertTrue(inForkJoinPool());
616	<	}
617	<	};
711	<	mainPool.invoke(a);
613	>	RecursiveAction a = new CheckedRecursiveAction() {
614	>	public void realCompute() {
615	>	assertTrue(inForkJoinPool());
616	>	}};
617	>	testInvokeOnPool(mainPool(), a);
618		}
619
620		/**
621		* inForkJoinPool of non-FJ task returns false
622		*/
623		public void testInForkJoinPool2() {
624	<	RecursiveAction a = new RecursiveAction() {
625	<	public void compute() {
626	<	threadAssertTrue(!inForkJoinPool());
627	<	}
628	<	};
723	<	a.invoke();
624	>	RecursiveAction a = new CheckedRecursiveAction() {
625	>	public void realCompute() {
626	>	assertTrue(!inForkJoinPool());
627	>	}};
628	>	assertNull(a.invoke());
629		}
630
631		/**
632		* setRawResult(null) succeeds
633		*/
634		public void testSetRawResult() {
635	<	RecursiveAction a = new RecursiveAction() {
636	<	public void compute() {
637	<	setRawResult(null);
638	<	}
639	<	};
735	<	a.invoke();
635	>	RecursiveAction a = new CheckedRecursiveAction() {
636	>	public void realCompute() {
637	>	setRawResult(null);
638	>	}};
639	>	assertNull(a.invoke());
640		}
641
642		/**
643		* invoke task throws exception after invoking completeExceptionally
644		*/
645		public void testCompleteExceptionally() {
646	<	RecursiveAction a = new RecursiveAction() {
647	<	public void compute() {
648	<	try {
649	<	AsyncFib f = new AsyncFib(8);
650	<	f.completeExceptionally(new FJException());
651	<	f.invoke();
652	<	shouldThrow();
653	<	} catch (FJException success) {
654	<	}
655	<	}
752	<	};
753	<	mainPool.invoke(a);
646	>	RecursiveAction a = new CheckedRecursiveAction() {
647	>	public void realCompute() {
648	>	AsyncFib f = new AsyncFib(8);
649	>	f.completeExceptionally(new FJException());
650	>	try {
651	>	f.invoke();
652	>	shouldThrow();
653	>	} catch (FJException success) {}
654	>	}};
655	>	testInvokeOnPool(mainPool(), a);
656		}
657
658		/**
659		* invokeAll(t1, t2) invokes all task arguments
660		*/
661		public void testInvokeAll2() {
662	<	RecursiveAction a = new RecursiveAction() {
663	<	public void compute() {
664	<	AsyncFib f = new AsyncFib(8);
665	<	AsyncFib g = new AsyncFib(9);
666	<	invokeAll(f, g);
667	<	threadAssertTrue(f.isDone());
668	<	threadAssertTrue(f.number == 21);
669	<	threadAssertTrue(g.isDone());
670	<	threadAssertTrue(g.number == 34);
671	<	}
672	<	};
771	<	mainPool.invoke(a);
662	>	RecursiveAction a = new CheckedRecursiveAction() {
663	>	public void realCompute() {
664	>	AsyncFib f = new AsyncFib(8);
665	>	AsyncFib g = new AsyncFib(9);
666	>	invokeAll(f, g);
667	>	assertTrue(f.isDone());
668	>	assertEquals(21, f.number);
669	>	assertTrue(g.isDone());
670	>	assertEquals(34, g.number);
671	>	}};
672	>	testInvokeOnPool(mainPool(), a);
673		}
674
675		/**
676		* invokeAll(tasks) with 1 argument invokes task
677		*/
678		public void testInvokeAll1() {
679	<	RecursiveAction a = new RecursiveAction() {
680	<	public void compute() {
681	<	AsyncFib f = new AsyncFib(8);
682	<	invokeAll(f);
683	<	threadAssertTrue(f.isDone());
684	<	threadAssertTrue(f.number == 21);
685	<	}
686	<	};
786	<	mainPool.invoke(a);
679	>	RecursiveAction a = new CheckedRecursiveAction() {
680	>	public void realCompute() {
681	>	AsyncFib f = new AsyncFib(8);
682	>	invokeAll(f);
683	>	assertTrue(f.isDone());
684	>	assertEquals(21, f.number);
685	>	}};
686	>	testInvokeOnPool(mainPool(), a);
687		}
688
689		/**
690		* invokeAll(tasks) with > 2 argument invokes tasks
691		*/
692		public void testInvokeAll3() {
693	<	RecursiveAction a = new RecursiveAction() {
694	<	public void compute() {
695	<	AsyncFib f = new AsyncFib(8);
696	<	AsyncFib g = new AsyncFib(9);
697	<	AsyncFib h = new AsyncFib(7);
698	<	invokeAll(f, g, h);
699	<	threadAssertTrue(f.isDone());
700	<	threadAssertTrue(f.number == 21);
701	<	threadAssertTrue(g.isDone());
702	<	threadAssertTrue(g.number == 34);
703	<	threadAssertTrue(h.isDone());
704	<	threadAssertTrue(h.number == 13);
705	<	}
706	<	};
807	<	mainPool.invoke(a);
693	>	RecursiveAction a = new CheckedRecursiveAction() {
694	>	public void realCompute() {
695	>	AsyncFib f = new AsyncFib(8);
696	>	AsyncFib g = new AsyncFib(9);
697	>	AsyncFib h = new AsyncFib(7);
698	>	invokeAll(f, g, h);
699	>	assertTrue(f.isDone());
700	>	assertEquals(21, f.number);
701	>	assertTrue(g.isDone());
702	>	assertEquals(34, g.number);
703	>	assertTrue(h.isDone());
704	>	assertEquals(13, h.number);
705	>	}};
706	>	testInvokeOnPool(mainPool(), a);
707		}
708
709		/**
710		* invokeAll(collection) invokes all tasks in the collection
711		*/
712		public void testInvokeAllCollection() {
713	<	RecursiveAction a = new RecursiveAction() {
714	<	public void compute() {
715	<	AsyncFib f = new AsyncFib(8);
716	<	AsyncFib g = new AsyncFib(9);
717	<	AsyncFib h = new AsyncFib(7);
718	<	HashSet set = new HashSet();
719	<	set.add(f);
720	<	set.add(g);
721	<	set.add(h);
722	<	invokeAll(set);
723	<	threadAssertTrue(f.isDone());
724	<	threadAssertTrue(f.number == 21);
725	<	threadAssertTrue(g.isDone());
726	<	threadAssertTrue(g.number == 34);
727	<	threadAssertTrue(h.isDone());
728	<	threadAssertTrue(h.number == 13);
729	<	}
730	<	};
832	<	mainPool.invoke(a);
713	>	RecursiveAction a = new CheckedRecursiveAction() {
714	>	public void realCompute() {
715	>	AsyncFib f = new AsyncFib(8);
716	>	AsyncFib g = new AsyncFib(9);
717	>	AsyncFib h = new AsyncFib(7);
718	>	HashSet set = new HashSet();
719	>	set.add(f);
720	>	set.add(g);
721	>	set.add(h);
722	>	invokeAll(set);
723	>	assertTrue(f.isDone());
724	>	assertEquals(21, f.number);
725	>	assertTrue(g.isDone());
726	>	assertEquals(34, g.number);
727	>	assertTrue(h.isDone());
728	>	assertEquals(13, h.number);
729	>	}};
730	>	testInvokeOnPool(mainPool(), a);
731		}
732
733
#	Line 837 | Line 735 | public class ForkJoinTaskTest extends JS
735		* invokeAll(tasks) with any null task throws NPE
736		*/
737		public void testInvokeAllNPE() {
738	<	RecursiveAction a = new RecursiveAction() {
739	<	public void compute() {
740	<	try {
741	<	AsyncFib f = new AsyncFib(8);
742	<	AsyncFib g = new AsyncFib(9);
743	<	AsyncFib h = null;
744	<	invokeAll(f, g, h);
745	<	shouldThrow();
746	<	} catch (NullPointerException success) {
747	<	}
748	<	}
851	<	};
852	<	mainPool.invoke(a);
738	>	RecursiveAction a = new CheckedRecursiveAction() {
739	>	public void realCompute() {
740	>	AsyncFib f = new AsyncFib(8);
741	>	AsyncFib g = new AsyncFib(9);
742	>	AsyncFib h = null;
743	>	try {
744	>	invokeAll(f, g, h);
745	>	shouldThrow();
746	>	} catch (NullPointerException success) {}
747	>	}};
748	>	testInvokeOnPool(mainPool(), a);
749		}
750
751		/**
752		* invokeAll(t1, t2) throw exception if any task does
753		*/
754		public void testAbnormalInvokeAll2() {
755	<	RecursiveAction a = new RecursiveAction() {
756	<	public void compute() {
757	<	try {
758	<	AsyncFib f = new AsyncFib(8);
759	<	FailingAsyncFib g = new FailingAsyncFib(9);
760	<	invokeAll(f, g);
761	<	shouldThrow();
762	<	} catch (FJException success) {
763	<	}
764	<	}
869	<	};
870	<	mainPool.invoke(a);
755	>	RecursiveAction a = new CheckedRecursiveAction() {
756	>	public void realCompute() {
757	>	AsyncFib f = new AsyncFib(8);
758	>	FailingAsyncFib g = new FailingAsyncFib(9);
759	>	try {
760	>	invokeAll(f, g);
761	>	shouldThrow();
762	>	} catch (FJException success) {}
763	>	}};
764	>	testInvokeOnPool(mainPool(), a);
765		}
766
767		/**
768		* invokeAll(tasks) with 1 argument throws exception if task does
769		*/
770		public void testAbnormalInvokeAll1() {
771	<	RecursiveAction a = new RecursiveAction() {
772	<	public void compute() {
773	<	try {
774	<	FailingAsyncFib g = new FailingAsyncFib(9);
775	<	invokeAll(g);
776	<	shouldThrow();
777	<	} catch (FJException success) {
778	<	}
779	<	}
886	<	};
887	<	mainPool.invoke(a);
771	>	RecursiveAction a = new CheckedRecursiveAction() {
772	>	public void realCompute() {
773	>	FailingAsyncFib g = new FailingAsyncFib(9);
774	>	try {
775	>	invokeAll(g);
776	>	shouldThrow();
777	>	} catch (FJException success) {}
778	>	}};
779	>	testInvokeOnPool(mainPool(), a);
780		}
781
782		/**
783		* invokeAll(tasks) with > 2 argument throws exception if any task does
784		*/
785		public void testAbnormalInvokeAll3() {
786	<	RecursiveAction a = new RecursiveAction() {
787	<	public void compute() {
788	<	try {
789	<	AsyncFib f = new AsyncFib(8);
790	<	FailingAsyncFib g = new FailingAsyncFib(9);
791	<	AsyncFib h = new AsyncFib(7);
792	<	invokeAll(f, g, h);
793	<	shouldThrow();
794	<	} catch (FJException success) {
795	<	}
796	<	}
905	<	};
906	<	mainPool.invoke(a);
786	>	RecursiveAction a = new CheckedRecursiveAction() {
787	>	public void realCompute() {
788	>	AsyncFib f = new AsyncFib(8);
789	>	FailingAsyncFib g = new FailingAsyncFib(9);
790	>	AsyncFib h = new AsyncFib(7);
791	>	try {
792	>	invokeAll(f, g, h);
793	>	shouldThrow();
794	>	} catch (FJException success) {}
795	>	}};
796	>	testInvokeOnPool(mainPool(), a);
797		}
798
799		/**
800		* invokeAll(collection)  throws exception if any task does
801		*/
802		public void testAbnormalInvokeAllCollection() {
803	<	RecursiveAction a = new RecursiveAction() {
804	<	public void compute() {
805	<	try {
806	<	FailingAsyncFib f = new FailingAsyncFib(8);
807	<	AsyncFib g = new AsyncFib(9);
808	<	AsyncFib h = new AsyncFib(7);
809	<	HashSet set = new HashSet();
810	<	set.add(f);
811	<	set.add(g);
812	<	set.add(h);
813	<	invokeAll(set);
814	<	shouldThrow();
815	<	} catch (FJException success) {
816	<	}
817	<	}
928	<	};
929	<	mainPool.invoke(a);
803	>	RecursiveAction a = new CheckedRecursiveAction() {
804	>	public void realCompute() {
805	>	FailingAsyncFib f = new FailingAsyncFib(8);
806	>	AsyncFib g = new AsyncFib(9);
807	>	AsyncFib h = new AsyncFib(7);
808	>	HashSet set = new HashSet();
809	>	set.add(f);
810	>	set.add(g);
811	>	set.add(h);
812	>	try {
813	>	invokeAll(set);
814	>	shouldThrow();
815	>	} catch (FJException success) {}
816	>	}};
817	>	testInvokeOnPool(mainPool(), a);
818		}
819
820		/**
#	Line 934 | Line 822 | public class ForkJoinTaskTest extends JS
822		* and suppresses execution
823		*/
824		public void testTryUnfork() {
825	<	RecursiveAction a = new RecursiveAction() {
826	<	public void compute() {
827	<	AsyncFib g = new AsyncFib(9);
828	<	g.fork();
829	<	AsyncFib f = new AsyncFib(8);
830	<	f.fork();
831	<	threadAssertTrue(f.tryUnfork());
832	<	helpQuiesce();
833	<	threadAssertFalse(f.isDone());
834	<	threadAssertTrue(g.isDone());
835	<	}
836	<	};
949	<	singletonPool.invoke(a);
825	>	RecursiveAction a = new CheckedRecursiveAction() {
826	>	public void realCompute() {
827	>	AsyncFib g = new AsyncFib(9);
828	>	assertSame(g, g.fork());
829	>	AsyncFib f = new AsyncFib(8);
830	>	assertSame(f, f.fork());
831	>	assertTrue(f.tryUnfork());
832	>	helpQuiesce();
833	>	assertFalse(f.isDone());
834	>	assertTrue(g.isDone());
835	>	}};
836	>	testInvokeOnPool(singletonPool(), a);
837		}
838
839		/**
#	Line 954 | Line 841 | public class ForkJoinTaskTest extends JS
841		* there are more tasks than threads
842		*/
843		public void testGetSurplusQueuedTaskCount() {
844	<	RecursiveAction a = new RecursiveAction() {
845	<	public void compute() {
846	<	AsyncFib h = new AsyncFib(7);
847	<	h.fork();
848	<	AsyncFib g = new AsyncFib(9);
849	<	g.fork();
850	<	AsyncFib f = new AsyncFib(8);
851	<	f.fork();
852	<	threadAssertTrue(getSurplusQueuedTaskCount() > 0);
853	<	helpQuiesce();
854	<	}
855	<	};
969	<	singletonPool.invoke(a);
844	>	RecursiveAction a = new CheckedRecursiveAction() {
845	>	public void realCompute() {
846	>	AsyncFib h = new AsyncFib(7);
847	>	assertSame(h, h.fork());
848	>	AsyncFib g = new AsyncFib(9);
849	>	assertSame(g, g.fork());
850	>	AsyncFib f = new AsyncFib(8);
851	>	assertSame(f, f.fork());
852	>	assertTrue(getSurplusQueuedTaskCount() > 0);
853	>	helpQuiesce();
854	>	}};
855	>	testInvokeOnPool(singletonPool(), a);
856		}
857
858		/**
859		* peekNextLocalTask returns most recent unexecuted task.
860		*/
861		public void testPeekNextLocalTask() {
862	<	RecursiveAction a = new RecursiveAction() {
863	<	public void compute() {
864	<	AsyncFib g = new AsyncFib(9);
865	<	g.fork();
866	<	AsyncFib f = new AsyncFib(8);
867	<	f.fork();
868	<	threadAssertTrue(peekNextLocalTask() == f);
869	<	f.join();
870	<	threadAssertTrue(f.isDone());
871	<	helpQuiesce();
872	<	}
873	<	};
988	<	singletonPool.invoke(a);
862	>	RecursiveAction a = new CheckedRecursiveAction() {
863	>	public void realCompute() {
864	>	AsyncFib g = new AsyncFib(9);
865	>	assertSame(g, g.fork());
866	>	AsyncFib f = new AsyncFib(8);
867	>	assertSame(f, f.fork());
868	>	assertSame(f, peekNextLocalTask());
869	>	assertNull(f.join());
870	>	assertTrue(f.isDone());
871	>	helpQuiesce();
872	>	}};
873	>	testInvokeOnPool(singletonPool(), a);
874		}
875
876		/**
#	Line 993 | Line 878 | public class ForkJoinTaskTest extends JS
878		* without executing it
879		*/
880		public void testPollNextLocalTask() {
881	<	RecursiveAction a = new RecursiveAction() {
882	<	public void compute() {
883	<	AsyncFib g = new AsyncFib(9);
884	<	g.fork();
885	<	AsyncFib f = new AsyncFib(8);
886	<	f.fork();
887	<	threadAssertTrue(pollNextLocalTask() == f);
888	<	helpQuiesce();
889	<	threadAssertFalse(f.isDone());
890	<	}
891	<	};
1007	<	singletonPool.invoke(a);
881	>	RecursiveAction a = new CheckedRecursiveAction() {
882	>	public void realCompute() {
883	>	AsyncFib g = new AsyncFib(9);
884	>	assertSame(g, g.fork());
885	>	AsyncFib f = new AsyncFib(8);
886	>	assertSame(f, f.fork());
887	>	assertSame(f, pollNextLocalTask());
888	>	helpQuiesce();
889	>	assertFalse(f.isDone());
890	>	}};
891	>	testInvokeOnPool(singletonPool(), a);
892		}
893
894		/**
#	Line 1012 | Line 896 | public class ForkJoinTaskTest extends JS
896		* without executing it
897		*/
898		public void testPollTask() {
899	<	RecursiveAction a = new RecursiveAction() {
900	<	public void compute() {
901	<	AsyncFib g = new AsyncFib(9);
902	<	g.fork();
903	<	AsyncFib f = new AsyncFib(8);
904	<	f.fork();
905	<	threadAssertTrue(pollTask() == f);
906	<	helpQuiesce();
907	<	threadAssertFalse(f.isDone());
908	<	threadAssertTrue(g.isDone());
909	<	}
910	<	};
1027	<	singletonPool.invoke(a);
899	>	RecursiveAction a = new CheckedRecursiveAction() {
900	>	public void realCompute() {
901	>	AsyncFib g = new AsyncFib(9);
902	>	assertSame(g, g.fork());
903	>	AsyncFib f = new AsyncFib(8);
904	>	assertSame(f, f.fork());
905	>	assertSame(f, pollTask());
906	>	helpQuiesce();
907	>	assertFalse(f.isDone());
908	>	assertTrue(g.isDone());
909	>	}};
910	>	testInvokeOnPool(singletonPool(), a);
911		}
912
913		/**
914		* peekNextLocalTask returns least recent unexecuted task in async mode
915		*/
916		public void testPeekNextLocalTaskAsync() {
917	<	RecursiveAction a = new RecursiveAction() {
918	<	public void compute() {
919	<	AsyncFib g = new AsyncFib(9);
920	<	g.fork();
921	<	AsyncFib f = new AsyncFib(8);
922	<	f.fork();
923	<	threadAssertTrue(peekNextLocalTask() == g);
924	<	f.join();
925	<	helpQuiesce();
926	<	threadAssertTrue(f.isDone());
927	<	}
928	<	};
1046	<	asyncSingletonPool.invoke(a);
917	>	RecursiveAction a = new CheckedRecursiveAction() {
918	>	public void realCompute() {
919	>	AsyncFib g = new AsyncFib(9);
920	>	assertSame(g, g.fork());
921	>	AsyncFib f = new AsyncFib(8);
922	>	assertSame(f, f.fork());
923	>	assertSame(g, peekNextLocalTask());
924	>	assertNull(f.join());
925	>	helpQuiesce();
926	>	assertTrue(f.isDone());
927	>	}};
928	>	testInvokeOnPool(asyncSingletonPool(), a);
929		}
930
931		/**
#	Line 1051 | Line 933 | public class ForkJoinTaskTest extends JS
933		* without executing it, in async mode
934		*/
935		public void testPollNextLocalTaskAsync() {
936	<	RecursiveAction a = new RecursiveAction() {
937	<	public void compute() {
938	<	AsyncFib g = new AsyncFib(9);
939	<	g.fork();
940	<	AsyncFib f = new AsyncFib(8);
941	<	f.fork();
942	<	threadAssertTrue(pollNextLocalTask() == g);
943	<	helpQuiesce();
944	<	threadAssertTrue(f.isDone());
945	<	threadAssertFalse(g.isDone());
946	<	}
947	<	};
1066	<	asyncSingletonPool.invoke(a);
936	>	RecursiveAction a = new CheckedRecursiveAction() {
937	>	public void realCompute() {
938	>	AsyncFib g = new AsyncFib(9);
939	>	assertSame(g, g.fork());
940	>	AsyncFib f = new AsyncFib(8);
941	>	assertSame(f, f.fork());
942	>	assertSame(g, pollNextLocalTask());
943	>	helpQuiesce();
944	>	assertTrue(f.isDone());
945	>	assertFalse(g.isDone());
946	>	}};
947	>	testInvokeOnPool(asyncSingletonPool(), a);
948		}
949
950		/**
#	Line 1071 | Line 952 | public class ForkJoinTaskTest extends JS
952		* without executing it, in async mode
953		*/
954		public void testPollTaskAsync() {
955	<	RecursiveAction a = new RecursiveAction() {
956	<	public void compute() {
957	<	AsyncFib g = new AsyncFib(9);
958	<	g.fork();
959	<	AsyncFib f = new AsyncFib(8);
960	<	f.fork();
961	<	threadAssertTrue(pollTask() == g);
962	<	helpQuiesce();
963	<	threadAssertTrue(f.isDone());
964	<	threadAssertFalse(g.isDone());
965	<	}
966	<	};
1086	<	asyncSingletonPool.invoke(a);
955	>	RecursiveAction a = new CheckedRecursiveAction() {
956	>	public void realCompute() {
957	>	AsyncFib g = new AsyncFib(9);
958	>	assertSame(g, g.fork());
959	>	AsyncFib f = new AsyncFib(8);
960	>	assertSame(f, f.fork());
961	>	assertSame(g, pollTask());
962	>	helpQuiesce();
963	>	assertTrue(f.isDone());
964	>	assertFalse(g.isDone());
965	>	}};
966	>	testInvokeOnPool(asyncSingletonPool(), a);
967		}
968		}

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